Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"tran danh code snippets" » "tran dinh code snippets", "tran manh code snippets", "tran dang code snippets", "tran danh co snippets", "tran danh code slippers"
"dung nhan code snippets" » "dung luan code snippets", "dung nhan co snippets", "dung nhan con snippets", "dung nhan code slippers"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tran danh code snippets") or ("dung nhan code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran danh code snippets") OR ("dung nhan code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( tran danh code snippets ) or ( dung nhan code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran danh code snippets") or ("dung nhan code snippets"))) or ("locating bugs code snippets"))*.